I'm on my second generation of crossbow built, with +2 steel bolts. I know that you get a bigger bonus by heirlooming the crossbow first, but I decided to max out my bolts while trying different builds to see which crossbow I want for the long run.
My last character had 1h weapon proficiency, so I could use axes, picks, etc. with an arbalest and one stack of bolts, or a 0 slot dagger or sickle with 2 stacks of bolts. If you land an arbalest shot on someone, you can usually finish them with a warhammer or axe when they reach you. The sickle was my favorite 0 slot weapon because IT LOOK COOL and you can use it to block while you run away.
My current character is level 30, and this time I built to allow more flexibility. With some levels in shield and riding and polearm wpf, I could switch to light cav if needed, or use a number of crossbow setups. I had a lot of fun with some of the more expensive 2 slot polearms and a regular 1 slot crossbow/1 stack of bolts. With the arbalest, my only polearm choices were staff, quarterstaff, or shortened spear. The shortened spear is a lot of fun - even with just over 100 wpf it is absurdly fast, and the polestun makes people stagger often enough that you can usually get 2-3 hits in quick succession. The damage is low, but I don't mind since melee is a last resort when you have an arbalest. You want to fend off any immediate attackers, then back off behind your teamates to reload.
So, after reading all that, here's my question: My next character will be the last one before I "have" to pick which crossbow to heirloom. With +3 steel bolts, I'll be levelling two handed weapon proficiency. For the majority of 2h weapons, I will have to forget the arbalest and use a crossbow, but there are a few options for 2h and an arbalest. Are there any 1 slot 2h weapons besides the cudgel and the langes messer? I feel like I will probably end up heirlooming my arbalest and settling on shortened spear or langes messer for a final build, but if anyone has suggestions (or if I missed any possible 1 slot weapons) I'd like to hear from you!
Thanks!